question

Which of the following is NOT needed to determine the minimum sample size required to estimate a population proportion?

answer

standard deviationσ

question

When analyzing polls, which of the following is NOT a consideration?

answer

The sample should be a voluntary response or convenience sample.

question

Which of the following is NOT a requirement for constructing a confidence interval for estimating the population proportion?

answer

trials are done without replacement

question

Which of the following is NOT an observation about critical values?

answer

A critical value is the area in the right-tail region of the standard normal curve.

question

Which of the following is NOT true of the confidence level of a confidence interval?

answer

There is a 1 - α chance, where α is the complement of the confidence level, that the true value of p will fall in the confidence interval produced from our sample.

question

A _______ is a single value used to approximate a population parameter.

answer

point estimate

question

Which of the following groups has terms that can be used interchangeably with the others?

answer

Percentage, probability, and proportion

question

Which concept below is NOT a main idea of estimating a population proportion?

answer

Using a sample statistic to estimate the population proportion is not utilizing descriptive statistics

question

A critical value, zα, denotes the

answer

z-score with an area of α to its right.